From patchwork Tue Nov 10 14:25:20 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 542475 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 8C46B141408 for ; Wed, 11 Nov 2015 02:23:16 +1100 (AEDT) Received: from localhost ([::1]:60995 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwAlO-0002SE-Ju for incoming@patchwork.ozlabs.org; Tue, 10 Nov 2015 10:23:14 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34548) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zw9se-00048B-4p for qemu-devel@nongnu.org; Tue, 10 Nov 2015 09:26:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zw9sc-0000ul-NV for qemu-devel@nongnu.org; Tue, 10 Nov 2015 09:26:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53843) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zw9sc-0000uh-Gl for qemu-devel@nongnu.org; Tue, 10 Nov 2015 09:26:38 -0500 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 4057A8F261 for ; Tue, 10 Nov 2015 14:26:38 +0000 (UTC) Received: from trasno.mitica (ovpn-116-55.ams2.redhat.com [10.36.116.55]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id tAAEPk91030601; Tue, 10 Nov 2015 09:26:36 -0500 From: Juan Quintela To: qemu-devel@nongnu.org Date: Tue, 10 Nov 2015 15:25:20 +0100 Message-Id: <1447165546-27784-32-git-send-email-quintela@redhat.com> In-Reply-To: <1447165546-27784-1-git-send-email-quintela@redhat.com> References: <1447165546-27784-1-git-send-email-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: amit.shah@redhat.com, dgilbert@redhat.com Subject: [Qemu-devel] [PULL 31/57] MIGRATION_STATUS_POSTCOPY_ACTIVE: Add new migration state X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: "Dr. David Alan Gilbert" 'MIGRATION_STATUS_POSTCOPY_ACTIVE' is entered after migrate_start_postcopy 'migration_in_postcopy' is provided for other sections to know if they're in postcopy. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: David Gibson Reviewed-by: Eric Blake Reviewed-by: Juan Quintela Reviewed-by: Amit Shah Signed-off-by: Juan Quintela --- include/migration/migration.h | 2 ++ migration/migration.c | 47 +++++++++++++++++++++++++++++++++++++++++-- qapi-schema.json | 4 +++- trace-events | 1 + 4 files changed, 51 insertions(+), 3 deletions(-) diff --git a/include/migration/migration.h b/include/migration/migration.h index 2176666..219032d 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -170,6 +170,8 @@ MigrationState *migrate_init(const MigrationParams *params); bool migration_in_setup(MigrationState *); bool migration_has_finished(MigrationState *); bool migration_has_failed(MigrationState *); +/* True if outgoing migration has entered postcopy phase */ +bool migration_in_postcopy(MigrationState *); MigrationState *migrate_get_current(void); void migrate_compress_threads_create(void); diff --git a/migration/migration.c b/migration/migration.c index 85e68bc..2acd0e6 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -462,6 +462,7 @@ static bool migration_is_setup_or_active(int state) { switch (state) { case MIGRATION_STATUS_ACTIVE: + case MIGRATION_STATUS_POSTCOPY_ACTIVE: case MIGRATION_STATUS_SETUP: return true; @@ -537,6 +538,39 @@ MigrationInfo *qmp_query_migrate(Error **errp) get_xbzrle_cache_stats(info); break; + case MIGRATION_STATUS_POSTCOPY_ACTIVE: + /* Mostly the same as active; TODO add some postcopy stats */ + info->has_status = true; + info->has_total_time = true; + info->total_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + - s->total_time; + info->has_expected_downtime = true; + info->expected_downtime = s->expected_downtime; + info->has_setup_time = true; + info->setup_time = s->setup_time; + + info->has_ram = true; + info->ram = g_malloc0(sizeof(*info->ram)); + info->ram->transferred = ram_bytes_transferred(); + info->ram->remaining = ram_bytes_remaining(); + info->ram->total = ram_bytes_total(); + info->ram->duplicate = dup_mig_pages_transferred(); + info->ram->skipped = skipped_mig_pages_transferred(); + info->ram->normal = norm_mig_pages_transferred(); + info->ram->normal_bytes = norm_mig_bytes_transferred(); + info->ram->dirty_pages_rate = s->dirty_pages_rate; + info->ram->mbps = s->mbps; + + if (blk_mig_active()) { + info->has_disk = true; + info->disk = g_malloc0(sizeof(*info->disk)); + info->disk->transferred = blk_mig_bytes_transferred(); + info->disk->remaining = blk_mig_bytes_remaining(); + info->disk->total = blk_mig_bytes_total(); + } + + get_xbzrle_cache_stats(info); + break; case MIGRATION_STATUS_COMPLETED: get_xbzrle_cache_stats(info); @@ -718,7 +752,8 @@ static void migrate_fd_cleanup(void *opaque) s->file = NULL; } - assert(s->state != MIGRATION_STATUS_ACTIVE); + assert((s->state != MIGRATION_STATUS_ACTIVE) && + (s->state != MIGRATION_STATUS_POSTCOPY_ACTIVE)); if (s->state == MIGRATION_STATUS_CANCELLING) { migrate_set_state(s, MIGRATION_STATUS_CANCELLING, @@ -793,6 +828,11 @@ bool migration_has_failed(MigrationState *s) s->state == MIGRATION_STATUS_FAILED); } +bool migration_in_postcopy(MigrationState *s) +{ + return (s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE); +} + MigrationState *migrate_init(const MigrationParams *params) { MigrationState *s = migrate_get_current(); @@ -1307,7 +1347,10 @@ static void *migration_thread(void *opaque) s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start; migrate_set_state(s, MIGRATION_STATUS_SETUP, MIGRATION_STATUS_ACTIVE); - while (s->state == MIGRATION_STATUS_ACTIVE) { + trace_migration_thread_setup_complete(); + + while (s->state == MIGRATION_STATUS_ACTIVE || + s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE) { int64_t current_time; uint64_t pending_size; diff --git a/qapi-schema.json b/qapi-schema.json index d25df93..8c3a42a 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -430,6 +430,8 @@ # # @active: in the process of doing migration. # +# @postcopy-active: like active, but now in postcopy mode. (since 2.5) +# # @completed: migration is finished. # # @failed: some error occurred during migration process. @@ -439,7 +441,7 @@ ## { 'enum': 'MigrationStatus', 'data': [ 'none', 'setup', 'cancelling', 'cancelled', - 'active', 'completed', 'failed' ] } + 'active', 'postcopy-active', 'completed', 'failed' ] } ## # @MigrationInfo diff --git a/trace-events b/trace-events index d319cf8..a51ce22 100644 --- a/trace-events +++ b/trace-events @@ -1452,6 +1452,7 @@ migrate_fd_error(void) "" migrate_fd_cancel(void) "" migrate_pending(uint64_t size, uint64_t max, uint64_t post, uint64_t nonpost) "pending size %" PRIu64 " max %" PRIu64 " (post=%" PRIu64 " nonpost=%" PRIu64 ")" migrate_send_rp_message(int msg_type, uint16_t len) "%d: len %d" +migration_thread_setup_complete(void) "" open_return_path_on_source(void) "" open_return_path_on_source_continue(void) "" source_return_path_thread_bad_end(void) ""